Dimension: 38 x 16 x 6 mm <br />Color: black <br /><br />Infrared LED， also known as infrared emitting diodes， it belongs to diode class. It can convert the electrical energy directly into infrared light (black light)， and can radiate out of the light emitting device， which is mainly used in various photoelectric switches and remote control transmitter circuit. Infrared LED structure and principles are similar to common light-emitting diodes， but different semiconductor materials are used. Typically infrared emitting diode uses gallium arsenide (GaAs)， gallium aluminum arsenic (GaAlAs) and other materials， packaged by transparent or light blue， black resin. <br /><br />Emitting distance， emitting angle (15 degrees， 30 degrees， 45 degrees， 60 degrees， 90 degrees， 120 degrees， 180 degrees)， emitting light intensity， and wavelength. These physical parameters， need to understand its electrical performance parameters: the diameter of 3mm and 5mm on the market are low powered infrared LEDs， 8mm and 10mm are medium and large powered. The forward voltage of low power: 1.4-1.65V 50-100ma， the forward voltage of medium power: 1.4-1.65V 50-100ma， and the forward voltage of large power: 1.5-1.9V200-350ma. The 1-10W infrared LED made by Yu Electronic can be applied to infrared surveillance lighting. <br /><br /><img src="http://img6.eachbuyer.com/x9/p100/eb3747_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3747_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3747_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3747_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3747_5.jpg" />